MF_EVENT_MFT_CONTEXT attribute
Contains a caller-defined value for an METransformMarker event.
Data type
ULONG_PTR stored as UINT64
Get/set
To get this attribute, call IMFAttributes::GetUINT64.
To set this attribute, call IMFAttributes::SetUINT64.
Applies to
Remarks
This attribute is used with the METransformMarker event. The value of the attribute is taken from the ulParam parameter of the IMFTransform::ProcessMessage method.
The GUID constant for this attribute is exported from mfuuid.lib.
Requirements
Requirement | Value |
---|---|
Minimum supported client |
Windows 7 [desktop apps | UWP apps] |
Minimum supported server |
Windows Server 2008 R2 [desktop apps | UWP apps] |
Header |
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See also
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